Install Quake 3 on Linux or OSX

ioquake3_install.sh

#!/usr/bin/env bash

set -ex

if [[ "$OSTYPE" == "linux-gnu" ]]; then
  # Linux
  sudo apt-get update && sudo apt-get install ioquake3

  mkdir -p ~/.q3a/baseq3 && pushd "$_"
elif [[ "$OSTYPE" == "darwin"* ]]; then
  # Mac OSX
  type brew ||
    curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install | ruby
  brew cask install ioquake3

  pushd ~/Library/Application\ Support/Quake3/baseq3
fi

COUNT=0
while [ $COUNT -lt 9 ]; do
  curl -LOJC - https://raw.githubusercontent.com/nrempel/q3-server/master/baseq3/pak$COUNT.pk3
  # curl -LOJC - http://files.anitalink.com/gamecache/quake3/baseq3/pak$COUNT.pk3
  # curl -LOJC - http://game.pioneernet.ru/dl/q3/files/pk3/pak$COUNT.pk3
  
  let COUNT+=1
done

pushd ..
curl -LOJC - http://playmorepromode.org/CPMA148.zip
unzip CPMA148.zip && rm CPMA148.zip

popd
popd

echo 'ioquake3 has been installed'

Thanks!